Renamed django.utils.inspect.func_has_no_args() to method_has_no_args().

django/contrib/admindocs/views.py

@@ -17,8 +17,8 @@ from django.template.engine import Engine
 from django.urls import get_mod_func, get_resolver, get_urlconf, reverse
 from django.utils.decorators import method_decorator
 from django.utils.inspect import (
-    func_accepts_kwargs, func_accepts_var_args, func_has_no_args,
+    func_accepts_kwargs, func_accepts_var_args, get_func_full_args,
-    get_func_full_args,
+    method_has_no_args,
 )
 from django.utils.translation import gettext as _
 from django.views.generic import TemplateView
@@ -275,7 +275,7 @@ class ModelDetailView(BaseAdminDocsView):
                         'data_type': get_return_data_type(func_name),
                         'verbose': verbose or ''
                     })
-                elif func_has_no_args(func) and not func_accepts_kwargs(func) and not func_accepts_var_args(func):
+                elif method_has_no_args(func) and not func_accepts_kwargs(func) and not func_accepts_var_args(func):
                     fields.append({
                         'name': func_name,
                         'data_type': get_return_data_type(func_name),

django/utils/inspect.py

@@ -50,9 +50,10 @@ def func_accepts_var_args(func):
     )
 
 
-def func_has_no_args(func):
+def method_has_no_args(meth):
+    """Return True if a method only accepts 'self'."""
     args = [
-        p for p in inspect.signature(func).parameters.values()
+        p for p in inspect.signature(meth).parameters.values()
         if p.kind == p.POSITIONAL_OR_KEYWORD
     ]
     return len(args) == 1

tests/utils_tests/test_inspect.py

@@ -33,3 +33,7 @@ class TestInspectMethods(unittest.TestCase):
 
     def test_func_accepts_var_args_no_var_args(self):
         self.assertIs(inspect.func_accepts_var_args(Person.one_argument), False)
+
+    def test_method_has_no_args(self):
+        self.assertIs(inspect.method_has_no_args(Person.no_arguments), True)
+        self.assertIs(inspect.method_has_no_args(Person.one_argument), False)